iOSアプリエンジニアのためのAndroidアプリ開発

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iOSΞϓϦΤϯδχΞͷͨΊͷ  AndroidΞϓϦ։ൃ

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cockscomb

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Hiroki Kato

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No content

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iOSΞϓϦΤϯδχΞͷͨΊͷ  AndroidΞϓϦ։ൃ

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iOS Android

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։ൃ؀ڥ Xcode iOS Simulator App Store Android Studio Emulator Google Play OSS iOS Android

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ϓϥοτϑΥʔϜ Mac (OS X) iPhone/iPad (iOS) Car Play Apple Watch (watchOS) Apple TV (tvOS) Phone/Tablet Android Wear Android TV Android Auto iOS Android

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։ൃݴޠ Swift Objective-C Java (Kotlin) iOS Android

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Ϗϧυ xcodebuild ґଘ؅ཧ CocoaPods Carthage gradle iOS Android

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gradle • Ϗϧυπʔϧ • build.gradleϑΝΠϧ • Android Studio͕αϙʔτ • ίϚϯυϥΠϯ͔Β΋ར༻Ͱ͖Δ Android

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όʔδϣχϯά iOS 9 iOS 8 Earlier 6.0 (Marshmallow) 5.1 (Lollipop) 5.0 (Lollipop) 4.4 (Kitkat) 4.3 (Jelly Bean) 4.2 (Jelly Bean) 4.1 (Jelly Bean) 4.0 (Ice Cream Sandwich) Android

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API Level Version Version Code API Level 6.0 MARSHMALLOW 23 5.1 LOLLIPOP_MR1 22 5.0 LOLLIPOP 21 4.4W KITKAT_WATCH 20 4.4 KITKAT 19 4.3 JELLY_BEAN_MR2 18 4.2 JELLY_BEAN_MR1 17 4.1 JELLY_BEAN 16 4.0.3, 4.0.4 ICE_CREAM_SANDWICH_MR1 15 4.0, 4.0.1, 4.0.2 ICE_CREAM_SANDWICH 14 Android

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Fragmentation Earlier 9% iOS 8 24% iOS 9 67% Earlier 4.0% Ice Cream Sandwich 3.3% Jelly Bean 29.0% Kitkat 37.8% Lollipop 25.6% Marshmallow 0.3% iOS Android

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Fragmentation • Support Library • ࠷৽ػೳͷόοΫϙʔτ • Google Play Services • OSͱಠཱͨ͠API Android

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ΞϓϦͷೖޱ UIApplicationMain Storyboard AndroidManifest.xml iOS Android

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AndroidManifest                   Android

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ը໘ͷߏ੒୯Ґ UIViewController Activity Fragment iOS Android

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Activity/Fragment • Activity • ը໘ʹͻͱ͚ͭͩ • Fragment • Activityʹ಺แͰ͖Δ Android

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ϥΠϑαΠΫϧ UIViewController init viewDidLoad viewWillAppear viewDidAppear viewWillDisappear viewDidDisappear deinit Activity onCreate onStart onRestoreInstanceState onResume onPause onSaveInstanceState onStop onDestroy iOS Android

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Activityͷ࠶ੜ੒ • Activity͸࠶ੜ੒͞ΕΔ • ը໘ͷճసͳͲͷมԽʹىҼ • ঢ়ଶΛࣦΘͳ͍Α͏ʹ࡞Δ • onSaveInstanceState • Parcelable Android

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ը໘ભҠ showViewController UIStoryboardSegue Intent FragmentTransaction iOS Android

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Intent • ৽͍͠ActivityΛελʔτͰ͖Δ • γϦΞϥΠζՄೳͳύϥϝʔλ • ଞͷΞϓϦͷActivity΋ελʔτ • ҉໧తͳIntent Android

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Intent Intent intent = new Intent(this, MainActivity.class);  intent.putExtra("extra_name_key", "cockscomb");  startActivity(intent); Intent intent = new Intent(Intent.ACTION_VIEW,  Uri.parse("http://example.com"));  startActivity(intent); Android

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Ϗϡʔ UIView View ViewGroup iOS Android

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View/ViewGroup • View • ViewGroup • ViewΛ಺แͰ͖Δ • ಺แͨ͠ViewΛϨΠΞ΢τ͢Δ Android

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༷ʑͳϏϡʔ UIView View UILabel/UITextView TextView UITextField/UITextView EditText UIImageView ImageView UIButton Button/ImageButton UIScrollView ScrollView UITableView/UICollectionView RecyclerView UIWebView/WKWebView WebView iOS Android

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ϨΠΞ΢τϑΝΠϧ Storyboard Nib (Xib) Layout XML iOS Android

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Layout XML         Android

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Ϗϡʔͱͷ઀ଓ Target Action @IBAction @IBOutlet android:id OnClickListener Data Binding iOS Android

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Data Binding Library                 Android

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ϨΠΞ΢τͷํ๏ Auto Layout Resizing Mask ViewGroup iOS Android

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ViewGroup • FrameLayout • LinearLayout • RelativeLayout • GridLayout Android

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αΠζຖͷ࠷దԽ Size Class Display Scale User Interface Idiom ໋໊نଇ ը໘ີ౓ ີ౓ඇґଘϐΫηϧ iOS Android

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Ϧιʔεͷ໋໊نଇ • res/layout/login.xml • σϑΥϧτ • res/layout-sw800dp/login.xml • ը໘෯͕800dpҎ্ • R.layout.login Android

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ը໘ີ౓ • xxxhdpi — 4.0 • xxhdpi — 3.0 • xhdpi — 2.0 • hdpi — 1.5 • mdpi — 1.0 • ldpi — 0.75 Android

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୯Ґ • dp (ີ౓ඇґଘϐΫηϧ) • 160dpi • sp (εέʔϧඇґଘϐΫηϧ) • ઃఆ͞ΕͨςΩεταΠζʹൺྫ Android

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༷ʑͳϦιʔε Asset Catalog Strings etc. Drawable R.drawable.ic_hamburger Values R.color.darkTextColor R.string.login etc. iOS Android

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Ϧιʔε • XML΍PNG • छྨຖͷσΟϨΫτϦʹஔ͘ • ϨΠΞ΢τ/ը૾/৭/αΠζ/Ξχϝʔ γϣϯ/ελΠϧ/จࣈྻ/ϝχϡʔ • R.xxx.yyy Android

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Drawable • BitmapDrawable • RoundedBitmapDrawable • NinePatchDrawable • ShapeDrawable • VectorDrawable • AnimatedVectorDrawable • ColorDrawable • GradientDrawable • LayerDrawable • RippleDrawable • LevelListDrawable • StateListDrawable • AnimationDrawable • ClipDrawable • InsetDrawable • RotateDrawable • ScaleDrawable • PictureDrawable Android

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ϑΝΠϧΞΫηε NSFileManager Context iOS Android

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Context • ΞϓϦͱ֎෦؀ڥΛܨ͙ • Ϧιʔεͷऔಘ/ϑΝΠϧΞΫηε • Application/Activity/Service Android

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Service • ը໘ͱಠཱͨ͠ॲཧ • όοΫάϥ΢ϯυͰಈ࡞Ͱ͖Δ • IntentService Android

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ετϨʔδ File System Core Data SQLite Keychain Internal Storage External Storage SQLite AccountManager Key Store iOS Android

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ݖݶ PHPhotoLibrary  .requestAuthorization(_:) ύʔϛογϣϯ iOS Android

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ύʔϛογϣϯ • • Runtime Permissions Android

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ڞ༗ URL Scheme Open In Document Provider Extension Intent File System Content Provider iOS Android

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ςετ XCTest Unit Testing UI Testing Testing Support Library AndroidJUnitRunner Espresso UI Automator iOS Android

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iOS Android